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FALL IN: Just in case you forgot to mark your calendar, Gap Jeans is celebrating it's 40th birthday. To mark the event, they've created a brand new line of 1969 Jeans ($59.50) and they're also throwing a party at all Gap stores. This Thursday, from 7 to 9 p.m., stop by their location at Horton Plaza for free acoustic music by local musicians, $20 off your second pair of jeans and 15% off your entire purchase.

SO INKLEINED: Though Calvin Klein is probably best remembered for its racy ad campaigns, he remains noteworthy for his simple, sexy basics. Now through August 26, the Calvin Klein store in Las Americas Premium Outlets has marked down select denim to $39.99, and if you make it there today you can also reap the benefits of its 30-50% off sale. Otherwise, cruise down this Saturday from 1 to 5 p.m. and catch guitarist Robert Earl Longley as part of their summer concert series.

REPUBLICAN PARTY: Jeans can keep you cool, make you look hot or comfort you with their simple style. At Banana Republic in Otay Ranch Towne Center, jeans can also get you 30% off your entire purchase. This Thursday through Sunday, just purchase a pair of full-priced Banana Republic jeans and enjoy a discount on everything else. If you get there on Thursday from 5 to 9 p.m., also enjoy live entertainment from House of Mexico as part of the Flor y Canto Music and Art Series.